I am unable to post the dash instructions but if you PM me your address I will be glad to USPS a copy to you. On your SLS system the rear shocks hardly ever fail or leak. The common issues are the accumulators which are around $120 each and the height control valve which can be rebuilt or the pump which can also be rebuilt. There used to be a forum member that sold kits for rebuilding the height control valve but he is no longer doing so. A valve rebuild kit is available from the Classic Center in Irvine (thomas.hanson@mbusa.com). A kit to rebuild the pump is available from George Murphy (perfanalysis.com)with the Mercedes Benz Club of America. Both the valve and pump are relatively easy to rebuild if you have mechanical experience and basic tools. I also have instructions for rebuilding both if you need them. The instructions for rebuilding the valve are posted on this forum.